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Geology 8th Vocab

QuestionAnswer
A naturally formed inorganic solid that has a repeating three-dimensional structure Mineral
A mass of hard consolidated mineral matter Rock
The process by which water, ice, wind and heat act to breack down rocks Weathering
The process by which wind, water, ice and gravity remove and transport material from one place to another Erosion
The act of depositing and laying down of matter by natural process Deposition
The sinking of regions of Earth's crust to lower elevations Land subsidence
Broken down pieces of rock and minerals such as sand Sediment
Rock that forms when sediment is compacted and or cemented together Sedimentary rock
Rock that forms when hot liquid rock, lava or magma, cools and hardens into rock Igneous rock
Rock that forms when existing rock is heathed and squeezed under exteme heat and pressure deep inside the Earth Metamorphic rock
Hot, liquid rock material Lava/Magma
The theory that the Earth's lithosphere (crust) is divided into tectonic plates that move around on top of the asthenosphere; the motions of tectonic plates Plate/Tectonics
The theory that continents drift apart from one another and have done so in the past Continental Drift
The process by which new ocean floor is forms at mid-ocean ridges as tectonic plates are pulled away from each other. Sea Floor Spreading
The boundary between two colliding tectonic plates that form mountains or trenches Convergent Boundaries
The boundary between two tectonic plates that are moving away from eachother; rift zone or ridge Divergent Boundaries
The boundary between two tectonic plates that are sliding pst each other forming faults Transform Boundaries
The region where oceanic crust (lithosphere) sinks down into the asthenosphere at convergent boundaries Subduction Zones
Maps that show the physical features and relief (lines of surface elevations) of a region of land Topographic Maps
Theory that Earth's lithosphere (crust) is divided into tectonic plates that move around on top of the asthenosphere. Plate Tectonics
Created by: jsteffek
 

 



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